/Engine/Plugins/Experimental/Mutable/Source/CustomizableObjectPopulation/Classes/MuCOP/CustomizableObjectPopulationGenerator.h
void RegeneratePopulation ( int32 Seed, [TArray](API\Runtime\Core\Containers\TArray)< [UCustomizableObjectInstance](API\Plugins\CustomizableObject\MuCO\UCustomizableObjectInstance) * > & OutInstances, int32 NumInstancesToGenerate ) const